Briley MFG - Chamber Brush for 12, 20, 28, and .410 Gauges
Chamber Cleaning Brush for 30.06 | Keep Shooting
Amazon.com : Real Avid Brush Combo: Star Chamber Pads, Chamber Brush, Chamber Mop and Bore Brush for Modern Sporting Firearms Chambered in .22-.224 Caliber Family : Sports & Outdoors